Geomorphic Description System
This document provides a descriptive method and a technical guide for applying and understanding geomorphic and geologic concepts and terms for soil inventory.
Definitions, criteria, concepts, and operational guidelines presented here focus on soil inventory needs and applications. The main goal is clear, consistent definitions and concepts with succinct presentation. Space precludes expansive treatment of all definitions or concepts included herein.
Schoeneberger, P.J., and Wysocki, D.A. 2017. Geomorphic Description System, Version 5.0. Natural Resources Conservation Service, National Soil Survey Center, Lincoln, NE.
National Soil Survey Handbook
The National Soil Survey Handbook (NSSH) provides the standards, guidelines, definitions, policy, responsibilities, and procedures for conducting the NRCS portion of the National Cooperative Soil Survey program.Learn More
Field Book for Describing and Sampling Soils
Standards for observing and recording soil and site characteristics.Learn More
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